LGUW6221MELA

The LGUW6221MELA is a snap-in terminal aluminum electrolytic capacitor rated 420 V with 220 µF capacitance and ±20% tolerance. Designed for general-purpose use, it delivers high-temperature endurance and robust ripple-current capability for power-electronic assemblies.

Key attributes include snap-in radial can packaging, a wide operating temperature range up to 105°C, and specified endurance under rated ripple current for reliable long-term operation.

Key Features

• Capacitance & Tolerance — 220 µF nominal capacitance with ±20% tolerance at 120 Hz, 20°C.
• High Voltage Rating — Rated voltage of 420 V for applications requiring elevated DC voltage handling.
• Temperature & Endurance — Rated for operation from −25°C to 105°C and specified to withstand 3000 hours with rated ripple current at 105°C.
• Ripple Current Performance — Rated ripple current examples: 1.1 A at 120 Hz and 1.573 A at 50 kHz, with frequency-dependent coefficients provided in the datasheet.
• Mounting & Package — Snap-in radial can package for secure chassis or PCB mounting in through-hole assemblies.
• Environmental Compliance — Compliant with RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Dimensions — Size: L: 4.5 × D: 2.5 cm; seated height listed as 1.772 inch (reference dimension).

Typical Applications

• General-purpose power electronics — Energy storage and smoothing in circuits that require 420 V class capacitance with high-temperature endurance.
• Industrial equipment — Use in equipment where long endurance at elevated temperature and rated ripple current tolerance are required.
• Chassis-mounted power modules — Snap-in radial can format for secure mounting in through-hole power assemblies.

Unique Advantages

• High-voltage capability: 420 V rating enables use in higher-voltage DC link and power applications.
• Validated high-temperature endurance: Specified to withstand 3000 hours at 105°C with rated ripple current, supporting reliable operation in hot environments.
• Frequency-aware ripple performance: Ripple current values provided across frequencies (example: 1.1 A at 120 Hz, 1.573 A at 50 kHz) allow designers to size capacitors against actual operating conditions.
• Robust mounting: Snap-in radial can package simplifies installation for through-hole power modules and chassis-mounted designs.
• Regulatory compliance: RoHS conformity reduces material compliance risk for global product deployments.

Why Choose LGUW6221MELA?

LGUW6221MELA combines a 420 V rating and 220 µF capacitance in a snap-in aluminum electrolytic form factor engineered for general-purpose power applications. Its 105°C temperature rating and 3000-hour ripple-current endurance make it suitable for designs that demand sustained performance under elevated temperature and DC bias conditions.

This part is appropriate for designers and procurement teams specifying capacitors for higher-voltage power assemblies who require documented ripple-current performance, long-term endurance data, and RoHS compliance from a standardized snap-in package.

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